Transmission control module (TCM) will not communicate with non-tech 2 service or test equipment
Cadillac technical service bulletin 020730033A for 2003 Cadillac CTS.
- Bulletin number
- 020730033A
- Component
- Power train: automatic transmission: control module (TCM/PCM/tecm)
- Summary
- Transmission control module (TCM) will not communicate with non-tech 2 service or test equipment. Tt
Owners of these vehicles have filed 25 complaints in the transmission category.
Vehicles covered
- Cadillac CTS 2003 2003
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